May be you ever get advertise email. They send you a html email. The layout is very nice. There are many tables, coloring font, and soon. Yeah, they use html mail. They just set the body of the email to have HTML in it and add one additional header of Content-type: text/html and have it work. Ok, look the code:
<?php
// Setting a timezone, mail() uses this.
date_default_timezone_set('America/New_York');
// recipients
$to = "you@phpeveryday.com" . ", " ; // note the comma
$to .= "we@phpeveryday.com";
// subject
$subject = "Test for HTML Format";
// To send HTML mail, you can set the Content-type header.
$headers = "MIME-Version: 1.0\r\n";
$headers .= "Content-type: text/html; charset=iso-8859-1\r\n";
// additional headers
$headers .= "To: You <you@phpeveryday.com>,
We <we@phpeveryday.com>\r\n";
$headers .= "From: Me 
